From 78a7ecb94672190c117f9e880bbbd692407e74eb Mon Sep 17 00:00:00 2001
From: Jamie Seward <jamie.d.seward@gmail.com>
Date: Tue, 26 Jul 2016 22:35:46 -0700
Subject: [PATCH] Add std::string overload to PrettyWriter::Key() when
 RAPIDJSON_HAS_STDSTRING is #defined

Only String() has the std::string overload currently.
---
 include/rapidjson/prettywriter.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/rapidjson/prettywriter.h b/include/rapidjson/prettywriter.h
index 75dc474f4..0dcb0fee9 100644
--- a/include/rapidjson/prettywriter.h
+++ b/include/rapidjson/prettywriter.h
@@ -115,6 +115,12 @@ class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding,
     }
 
     bool Key(const Ch* str, SizeType length, bool copy = false) { return String(str, length, copy); }
+
+#if RAPIDJSON_HAS_STDSTRING
+    bool Key(const std::basic_string<Ch>& str) {
+        return Key(str.data(), SizeType(str.size()));
+    }
+#endif
 	
     bool EndObject(SizeType memberCount = 0) {
         (void)memberCount;